[Typo3] Dependant selectbox on file links

[Papis]

Hi ALL,
  I have create an extension that   extand file link (tt_content). 
  My extension creates named selectA, SelectB, selecC select box in the file link backend form. (and it works well)
  but i want the render of the 2 select box (SelectB, selecC) to depend  on the the selected value of the first select box (selectA).
  Any help his welcome
  
  best regards
  
  


Alioune Seck 
Ingénieur en Informatique 
Tel: (+221) 516 97 77
 


		
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